linux-kernel - Re: [PATCH 4/5] arm64: dts: rockchip: Add rk3588-evb1 board

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Message-ID: <357a9396-57b2-ce55-5825-eed14ff3c14e@linaro.org>
Date:   Tue, 8 Nov 2022 19:04:52 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>,
        Heiko Stuebner <heiko@...ech.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Kever Yang <kever.yang@...k-chips.com>, kernel@...labora.com
Subject: Re: [PATCH 4/5] arm64: dts: rockchip: Add rk3588-evb1 board

On 08/11/2022 18:14, Sebastian Reichel wrote:
> From: Kever Yang <kever.yang@...k-chips.com>
> 
> Add board file for the RK3588 evaluation board. While the hardware
> offers plenty of peripherals and connectivity this basic implementation
> just handles things required to successfully boot Linux from eMMC,
> connect via UART or Ethernet.
> 
> Signed-off-by: Kever Yang <kever.yang@...k-chips.com>
> [rebase, update commit message, use EVB1 for SoC bringup]
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

I acked something very different. This has several new stuff with things
to fix, so please drop my ack.

> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
>  .../devicetree/bindings/arm/rockchip.yaml     |   5 +
>  arch/arm64/boot/dts/rockchip/Makefile         |   1 +
>  .../boot/dts/rockchip/rk3588-evb1-v10.dts     | 156 ++++++++++++++++++
>  3 files changed, 162 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
> 
> diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml
> index c6c69a4e3777..4230881371fa 100644
> --- a/Documentation/devicetree/bindings/arm/rockchip.yaml
> +++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
> @@ -739,6 +739,11 @@ properties:
>            - const: rockchip,rk3568-bpi-r2pro
>            - const: rockchip,rk3568
>  
> +      - description: Rockchip RK3588 Evaluation board
> +        items:
> +          - const: rockchip,rk3588-evb1-v10
> +          - const: rockchip,rk3588
> +
>  additionalProperties: true
>  
>  ...
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index 8c15593c0ca4..12ed53de11eb 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -72,3 +72,4 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-soquartz-cm4.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-bpi-r2-pro.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-evb1-v10.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-rock-3a.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-evb1-v10.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
> new file mode 100644
> index 000000000000..a9b8e0ed1125
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
> @@ -0,0 +1,156 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
> + *
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/pinctrl/rockchip.h>
> +#include <dt-bindings/gpio/gpio.h>
> +#include "rk3588.dtsi"
> +
> +/ {
> +	model = "Rockchip RK3588 EVB1 V10 Board";
> +	compatible = "rockchip,rk3588-evb1-v10", "rockchip,rk3588";
> +
> +	chosen {
> +		stdout-path = "serial2:1500000n8";
> +	};
> +
> +	vcc12v_dcin: vcc12v-dcin {

Node names should be generic, so at least regualtor prefix or suffix
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc12v_dcin";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <12000000>;
> +		regulator-max-microvolt = <12000000>;
> +	};
> +
> +	vcc5v0_sys: vcc5v0-sys {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc5v0_sys";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&vcc12v_dcin>;
> +	};
> +
Best regards,
Krzysztof